TY JOUR TI Carbon stocks in phytomass and biological productivity of mature and overmature forest stands in Suburban Forestry of Voronezh Region KW forest ecosystems KW carbon KW phytomass KW biological productivity KW tree stands KW pine forests KW oak forests KW structural characteristics JO Forestry Engineering Journal AU Sheshnitsan, S.S. AU Kartashova, N.P. AU Shtepa, E.N. AU Tsaregorodtsev, A.V. AU Safonova, A.A. PY 2025 IS 14 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov